[data-screen="play"] { padding: 0; }
#stage { position: absolute; inset: 0; width: 100%; height: 100%; touch-action: none; }
.hint {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 10px 20px;
  border-radius: 999px;
  font-weight: 500;
  white-space: nowrap;
}
[data-screen="play"] { padding: 128px 16px 16px; }
#stage { position: relative; inset: auto; flex: 1; min-height: 0; height: auto; }